Patent US2593500A successfully refreshed from Google Patents.
US2593500A
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US
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Tractor implement supporting cradle
Assignee: Caterpillar Global Mining LLC
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Filing: 1948-02-02
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Granted: 1952-04-22
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Expires: 1968-02-02
Abstract
No abstract record available.
Inventors
- 👤 Thierry John Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:36
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/3405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1710632A
Cited
US2269775A
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US2332742A
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US2391224A
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US2455474A
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US2519974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |